
Ullensaker, Norway · Sunday 9 November 2025
The Halvmaraton Jessheim Vintermaraton is a unique and exhilarating winter race held in Jessheim, a town just north of Oslo, Norway. This race offers a true winter challenge, as runners navigate a course through the icy streets and snow-covered paths. The atmosphere is bracing and crisp, with the runners bundled up for a challenging yet rewarding experience in the cold. The route is relatively flat but can be slippery and treacherous in places, making it a true test of endurance and preparation.
Adjusted Time
3:50:07
Time difference: -9.9 minutes compared to a flat, road, temperate course.
Halvmaraton Jessheim Vintermaraton is a full marathon held in Ullensaker, Norway, scheduled for Sunday 9 November 2025. The course is run on road surface with 68m of total elevation gain, reaching a maximum altitude of 219m above sea level. For registration and full race details, visit the official Halvmaraton Jessheim Vintermaraton website.
This is a very flat course with only 68m of total elevation gain across the full distance. The course ranges from 195m to 219m above sea level — a 24m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for November, the expected race day conditions are as follows. Cold conditions are expected, with temperatures between 4°C and 7°C. While cold weather reduces overheating risk, runners should dress in layers and be prepared for potential wind chill. There is a low chance of rain (0%), so dry conditions are likely.
Halvmaraton Jessheim Vintermaraton is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Halvmaraton Jessheim Vintermaraton is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Halvmaraton Jessheim Vintermaraton against other marathons to find the right race for your goals.
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